Alexander Pruss's Blog

I think the historical Aquinas’ solution to how God is one in three persons is a relative identity view that posits two kinds of identity: ...

Start with these plausible claims: If x causes y , the causal relation between x and y is not posterior to the existence of y . A rela...

I used to think that: x is a substance just in case  < x exists > is not grounded in any fact about any other entity other than x...

Aquinas believes that it follows from omnipotence that: Any being that depends on creatures can be created by God without its depending on...

In his famous critique of the ontological argument, Kant said that existence is not a property. Frege and Russell gave a very influential re...

I wonder if the haecceity of a thing isn't identical with its esse .

Here is a suggestive Thomistic line of thought in favor of the essentiality of origins—i.e., the principle that the causes of things are ess...